function O(obj)
{
    if (typeof obj == 'object') return obj
    else return document.getElementById(obj)
}

function S(obj)
{
    return O(obj).style
}

function C(name)
{
  var elements = document.getElementsByTagName('*')
  var objects  = []

  for (var i = 0 ; i < elements.length ; ++i)
    if (elements[i].className == name)
      objects.push(elements[i])

  return objects
} 
